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김성렬,황재익,김명모 東亞大學校 建設技術硏究所 2005 硏究論文集 Vol.29 No.1
Iai(1989) suggested the similitude law for 1g shaking table tests using basic equations governing the soil-structure-fluid systems. However, the validity of this similitude law was not fully verified. In this research, shaking table tests for gravity type quay walls were performed to verify the similitude law for soil-structure interaction problems. The validity of the similitude law was analyzed by checking whether different sizes of models show the same physical behavior. The test results showed that the excess pore pressure and the dynamic thrust acting on quay walls were difficult to be simulated in model tests. However, it was found that the displacement of the wall can be properly predicted from model tests if the total force acting on the wall is simulated in models.
김성렬 중한인문과학연구회 2001 국제학술대회 Vol.- No.7
우리는 복합어의 한 갈래로 첩어(疊語)를 설정한다. 본 고찰은 전라북부방언의 첨어 가운데 의성 의태어를 간단히 고찰하고자 한다. 첨어란 단어의 한 중복(reduplication)현상인데 비교적 우리 국어의 구어(口語)속에 풍부히 발달되어 있다.
김성렬,이희수 한국콩연구회 1988 韓國콩硏究會誌 Vol.5 No.1
유안염석과 column chromatography 및 gel 여과등으로 비활성이 23.4U/㎎이 되는 정제된 mungbean lipoxygenase 를 12%의 수율로 얻었다. 정제효소의 작용최적 pH는 8.4이었으며 linoleic acid를 기질로 사용하였을 때 Km 값은 0.25mM이었다. 정제효소는 pH 5.0∼7.0범위와 50℃이하의 온도에서 비교적 안정하였다. 효소의 활성은 항산화제인 NDGA에 의해 현저히 저해되었고 chelating agents에 의해 저해되었다.
파장 분할 다중 광 전송 망을 위한 신호 유지 보수 처리 체계
김성렬,최성혁 동의공업대학 1999 論文集 Vol.25 No.1
The WDM(Wavelength Division Multiplexing) technologies allow multiple lasers carrying independent signals to be transmitted in the same fiber with appropriate spacings of wavelengths between laser carriers. This paper focuses on a design framework for 0AM(Operation, Administration and Maintenance) on which we can build a reliable photonic network considering WDM technologies. We propose the maintenance actions for the improvement of safety and performance of the optical network management based on the WDM. We introduce system and network surveillance, operation and maintenance functions based on proposed alarm propagation model. For network maintenance, clear maintenance indication such as FDI and BDI is made to facilitate accurate and smooth failure localization. Also, for system maintenance, necessary maintenance items are defined, and a maintenance signal flow is proposed at the level of each optical transport network layer.